Clickjacking is a malicious technique of tricking a Web user into clicking on something different from what the user perceives they are clicking on.
Clickjacking (User Interface redress attack, UI redress attack, UI redressing) potentially revealing confidential information or taking control of user computer while clicking on seemingly innocuous web pages.
It is a browser security issue that is a vulnerability across a variety of browsers and platforms. A clickjack takes the form of embedded code or a script that can execute without the user's knowledge, such as clicking on a button that appears to perform another function.
Clickjacking is possible because seemingly harmless features of HTML web pages can be employed to perform unexpected actions.
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